The rescue lady I talked to told me to give my cats amoxicillin. That's fine, all the sick ones will eat what I give them. EXCEPT Mel! She thinks I'm trying to trick her, like I did when she got spayed. And she's the sickest one. I called the vet to ask about an injection that she would only need once or at least not every day and they said there wasn't one. But there is, convenia works, doesn't it? I'm not sure what to do. Try another vet?